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Tire size

255/45R19 tire size: dimensions explained

Factory size on the Tesla Model Y, Tesla Model S. Below are the dimensions calculated from the size marking itself. Your vehicle's correct size, load index and speed rating are on the placard in the driver's door jamb; check it before buying.

MeasurementMetricImperial
Section width255 mm10.04 in
Sidewall height114.8 mm4.52 in
Overall diameter712.1 mm28.04 in
Wheel diameter482.6 mm19 in
Circumference2238 mm88.1 in
Revolutions per mile719

Calculated values: diameter = wheel + 2 × (width × aspect ratio). Real tires vary slightly by brand and model.

Reading the marking

255 is the section width in millimetres, 45 is the sidewall height as a percentage of that width, R means radial construction, and 19 is the wheel diameter in inches. A passenger (P or Euro-metric) tire and an LT tire in the same size are not interchangeable without checking load requirements.

Compare 255/45R19 with another size →

255/45R19 tires at Tire Rack

All-season

TireLoad/speedPrice per tire
Radar Dimax AS-8
Grand Touring All-Season		XL 104W$147.66View at Tire Rack
Radar All Season EV
Grand Touring All-Season		XL 104W$151.95View at Tire Rack

Highway / touring

TireLoad/speedPrice per tire
Yokohama Geolandar X-CV
Crossover/SUV Touring All-Season		XL 104W$272.99View at Tire Rack
Kumho Crugen EV HP71 SUV
Crossover/SUV Touring All-Season		XL 104V$287.70View at Tire Rack

Summer performance

TireLoad/speedPrice per tire
Kumho Ecsta Sport
Ultra High Performance Summer		XL 104Y$241.28View at Tire Rack
Hankook Ventus S1 evo2 SUV
Street/Sport Truck Summer Truck		XL 104Y$288.88View at Tire Rack

Winter

TireLoad/speedPrice per tire
Michelin X-Ice Snow
Studless Ice & Snow		XL 104H$223.66View at Tire Rack
Vredestein Wintrac Pro+
Performance Winter / Snow		XL 104W$232.30View at Tire Rack

Showing the lowest-priced in-stock options in each category from 74 255/45R19 tires in Tire Rack's feed, sorted by price only. We don't rank by commission. Match or exceed the load index and speed rating on your placard.

Affiliate links: if you buy through a Tire Rack link, RightTread may earn a commission through CJ. It doesn't change your price. Prices are Tire Rack's per-tire prices from Tire Rack's product feed as of Nov 7, 2026, 9:19 PM PT. Prices change, so confirm on Tire Rack before you buy. Disclosure

Other sizes